import type { ObjectOrArray } from "@twin.org/core";
import type { ActivityStreamsObjectTypes } from "./activityStreamsObjectTypes.js";
import type { IActivityStreamsObject } from "./IActivityStreamsObject.js";
/**
 * A W3C Activity Streams Tombstone.
 *
 * A `Tombstone` represents an object that has been deleted. Implementations can
 * include `formerType` and `deleted` to provide additional context.
 * @see https://www.w3.org/TR/activitystreams-vocabulary/#dfn-tombstone
 */
export interface IActivityStreamsTombstone extends IActivityStreamsObject {
    /**
     * Tombstone type.
     */
    type: ObjectOrArray<typeof ActivityStreamsObjectTypes.Tombstone | string>;
    /**
     * The date and time at which the object was deleted.
     * @see https://www.w3.org/TR/activitystreams-vocabulary/#dfn-deleted
     * @json-schema format:date-time
     */
    deleted?: string;
    /**
     * The former type of the deleted object.
     * @see https://www.w3.org/TR/activitystreams-vocabulary/#dfn-formertype
     */
    formerType?: ObjectOrArray<string>;
}